LONG S SECOND EXPEDITION. 



of the wing, blackish; feet black; poisers fuscous, capitul 

 whitish. 



Length more than three-tenths of an inch. 



The disposition of the wing nervnres of this species c 

 ponds with that of the fifth tribe in Wiedemann's arrangemen! 



LAPHRIA. 



1. L. posticata. — Black; thorax and before the tip c; 

 tergum covered with yellow hair. 



Inhabits North-west Territory. 



Antennae, hair of the vertex and of each side of the antennae, 

 black; long hair beneath the antennae yellowish; hair of the 

 cheeks long, white; thorax covered with yellow hair, imma 

 late; pleura and pectus black, the latter with long whitish hair 

 between the feet; poisers yellowish-white; wings dusky; tergum 

 blued-black, polished, with black hairs each side ; two last s sg - 

 ments and posterior margin of the preceding segment cov 

 with yellow hair ; venter polished, immaculate. 



Length three-fifths of an inch. 



2. L. flavicollis. — Black; wings dusky; hair of tin 

 and thorax yellow. 



Inhabits North-west Territory- 

 Head with long yellow hairs, and a few black ones over the 

 mouth; proboscis, antennas, and palpi black, the latter v 

 hairs; thorax thickly clothed with yellow hair, immaculate 

 wings dusky; nervures fuscous; poisers [375] dark reddish- 

 brown; feet with black hair; a few pale hairs on the basal 

 of the thighs, and many about the origin of the feet ; ter_ 

 black, with a slight shade of blue, polished, and with bl k 

 hairs. 



Length more than half an inch. 



This species resembles the thoracica Fabr., but may b< 

 tinguished by the color of the hair of the head; it is al 

 smaller insect, with a more slender form. 



ASILUS. 

 A. ABDOMINALIS. — Black; hypostoma silvery; tergum ful 

 in the middle. 



Inhabits North-west Territory. 



